Yamaha FZR400 Service Manual Ch8 9
Specifications and Main Features
- Resistance Specifications:
- Primary Side of Ignition Coil: The resistance should fall between 1.8 and 2.2 ohms at 20 degrees Celsius.
- Secondary Side of Ignition Coil: The resistance should fall between 9.6 and 14.4 k ohms at 20 degrees Celsius.
- Pickup Coil: The average resistance should be between the range of 85 to 115 Ohm at 20 degrees Celsius.
- Battery Specifications:
- Specific Gravity: It is 1.280 when measured at twenty degrees Celsius.
- Capacity: The nominal voltage is rated at 12V with a capacity of RAH.
- Electrical Components:
- Electric Start Switch
- Rectifier and Voltage Regulator
- Alternator
- Engine Starters
- Starter Relay
- Fuses (Main, Ignition, Fan, Signals, Head)
- Igniter
- Ignition Coils (Cylinders #1 to #4)
- Spark Plug
- Clutch Actor
- Side Stand Actor
- Neutral Actor
- Thermostat
- Motor Fan
- Flasher
- Horn
- Wire Harness
Frequently Asked Questions
- Q: Can you briefly explain the function of the digital ignitor unit?
- A: The unit utilizes an electric power source to coordinate the ignition unit with the timing device as well as controlling the operation of the electric fuel pump.
- Q: If I want to test the functionality of the main switch, how do I do that?
- A: Pull out the coupler of the main switch and attach it to a pocket tester and ensure that it achieves continuity in its terminals.
- Q: What should I do if the starter motor is not functional?
- A: In this case, it is necessary to check the fuse “MAIN “, the battery and its connections, and make sure thatboth the“ENGINE STOP” and “START “switches are responding adequately.
- Q: What Exactly Should I check to Identify a Faulty Ignition Coil?
- A: Use a pocket tester to measure the ignition coil’s resistance. The primary coil should be between 1.8 ~ 2.2Ω and the secondary coil between 9.6 ~ 14.4kΩ at 20°C.
- Q: What should be done in addition to THE CHECKING OF THE BATTERYcapacity if the battery is not able to retain charge?
- A: Examine the fuse “MAIN”, the battery condition, the charging voltage at the 3000 RPM level, along with checking the coil stators continuity and rating specifications.
User Manual
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